Lunette, a company that makes reusable menstrual cups, has sent some into space to help female astronauts on long-term missions. The Lunette Period Cups are made of hypoallergenic medical-grade ...

Girls in the U.S. are getting their first menstrual period about 6 months earlier on average than they did in the 1950s and '60s. And more girls are beginning menstruation before the age of 9, which ...

Eating from pouches, sleeping in a bag tied to the wall, using a vacuum-powered toilet: Basic processes of human life require scientifically tested solutions in space. It's the same for menstruation, ...

Menstruation is a normal biological process that many women go through. In simpler terms, menstrual cycle (period) occurs when the uterus sheds its inner lining of blood and tissues each month. A ...

Girls are getting their periods earlier and it is taking longer for their menstrual cycles to regulate – trends that are putting more girls at risk of health problems later in life. The average age of ...